List of Famous people born in Slovakia, First Czechoslovak Republic

Dominik Hrušovský was a prelate of the Catholic Church who served outside his homeland during its years of Communist control, largely devoted to the pastoral care of Catholic Slovaks abroad. Late in his career he returned to Slovakia. He was also Apostolic Nuncio to Belarus.

Johann Segner was a Hungarian scientist. He was born in the Kingdom of Hungary, in the former Hungarian capital city of Pozsony.

Marcel Palonder is a Slovak singer. He represented his country in the Eurovision Song Contest 1996 with the song "Kým nás máš". His song qualified from the semifinal, earning 36 points but in the final it placed 17th place with 19 points. The points to the Slovak entry were given by: Greece four points, Malta eight points, Poland five points and Spain two points.

Jozef Moravčík is a Slovak diplomat and political figure. He served as the Prime Minister of Slovakia from 16 March 1994 to 13 December 1994, and later as the Mayor of Bratislava.

Joseph Petzval was a mathematician, inventor, and physicist best known for his work in optics. He was born in the town of Szepesbéla in the Kingdom of Hungary.

Marián Čalfa was the former Prime Minister of Czechoslovakia during and after the Velvet Revolution in 1989, as well as de facto acting President for 19 days, and was a key facilitator of the smooth transfer of power from Communist rule to a new democratic representation.

Ottokár Prohászka was a Hungarian Roman Catholic theologian and Bishop of Székesfehérvár from 1905 until his death. Prohászka was a prominent anti-Semite, and used literature as an outlet for his hostile opinions.